Are you tired of kicks, blames and other things when you use deployables ? Read this to know some stuff about payday 2 that many players doesn't know about.
Tired of teammates that eats/abuse your equipement and leads to lose? Share them this guide, it may let them become less abusive.
So many people asked :
How to use deployables correctly?
In this guide we have tips how to use these deployables:

• Medic bag

• Ammo bag

• First aid kits.

Medic bag
Medic bag heals you upon use and restores your down counts i will show you how to use it correctly.
First: things not to do
These are the stuff that you must avoid it as possible.
- Do not deploy/use medic bags even if your health is very low
- Do not put medic bags in random places because sometimes it is near to enemy spawn so that you/your teammates can not heal.
- Dont use it when you got tased or kicked by a cloaker( because when you get downed by a cloaker or taser, the down does not count.)
Second: What does medicbags do ?
These are the things that a medic bag can do.
-Heals you completly.
-Restores your downs, like if you get downed 3 times you can get downed another 3 times.
-FREE HEALTH ! (No really, dont abuse it.)
Finally, some notes.
- DO NOT USE MEDIC BAG when you got downed on the first time or your health is very low, use first aid kits instead (When available or wait to be downed 3 times to use the medic bag). It is a bit risky but it is better to do that for your teammate sake, even more if the job is long (Like Rats).
- Use them when your screen is black and white. like this
-Remember, you can only use the medic bag by default 2 times ONLY. Even if you heal yourself with just 25% less health, you'll use it like you got downed 3 times on very low health. So be very careful.

This is an ammo bag :
It is a deployable unlocked when you spend your first point on the Enforcer skill
1-Stuff you mustn't do:
-Do not use/deploy ammo bag if you have enough ammo (But if your teammate need, deploy).
-Do not use someone's ammo if he is using saw (in stealth, and when the saw owner is the host) because that may reduce the loot earned. And sometimes leads to a kick.
-Do not deploy it on highly fired spots. You/Your teammates can't refill ammo because they are under fire and may lose health.
-When you have killed ton of cops with ammo next to them and your low on ammo. Go collect that ammo, dont refill.
-Do not waste ammo. (spraying enemies with auto fire weapons, if you want to save more bullets, use single fire weapons instead)
2-What does an ammo bag do?
-Refills your total ammo for both of your weapons.
-Gives you somewhat perfect thing to kill cops.
3-How to use ammo bag correctly?
-Put them in a spot that cops cannot or hardly reach (You don't want to see your friends dying for some ammo, eh ?).
-Use them when you need ammo (obviously) and cannot grab some lying on the ground.
-Use them only if you have no ammo left with weapons with ammo pickup disabled, such as , Bow, RPG,
-Remember, an ammo bag is not like a medic bag. It is a % based (300%). If you need to refill a very small amount of ammo (Not recommended though), you can refill it with the ammo bag without worrying about the times used. For example, you need to refill 50% of your total ammo from your primary weapon, you'll take 50% from the ammo bag (So if you don't have any ammo left for both of your weapons, you'll take 100% per weapon meaning 200% from the ammo bag). Just keep in mind : A medic bag can be used 2 times by default, whatever your life level and times downed but an ammo bag can be used as long as there is ammo inside.
Notes:
You can refill your ammo for free. As a dead enemy gives you an ammo pack. It will fill some ammo for both weapons.Once you/your teammate picks an ammo pack you will notice a "SCRATCH" noise.

First aid kit here !
The first aid kit is unlocked by default.
Also known as (♥♥♥, Aid kit, cupcakes)
These are first aid kits
1-Stuff you mustn't do:
-Do not deploy them when your health is not very low (from 100% to 20%)
-When a teammate is going to custody (Black and white screen / Three times downed)
-Do not use them when you lost low amount of health (1%-70%)
2-What does aid kit do?
-Heals you completly like medic bag but IT WILL NOT RESTORE YOUR DOWNS!
-Quick to heal ( 1 second to use)
-Have it unique size and shape to know easier.
3- How to use it correctly?
-When you get low on health (10%-30%) use it or deploy it to teammates that needs help. It may save their lives.
-Put it in some covers so you/your teammates can heal in peace.
-Do not deploy all the first aid kits at one time, you teammates can abuse it without feeling it.
Notes:
-Use the aid kits skills to see effects before and after:
Before : 4 aid kits, slow deploy, no damage protection upon healing.
After : 14 aid kits, fast deploy , Damage protection after healing.
When you really need to heal with aid kit :

Thank you guys i hope my guide helped you and i hope that you know now the secrets of this game, i will make more helpful guides soon.
Remember leave your feedbacks below!
I hope you enjoyed, goodbye. :D
Special thanks to :
Babyforce, for correcting some errors and giving a photo to explain.
Notes:
-I recommand you to use HoxHud (Shows how many times you and your crew downed each time) Try to find some other BLT mods, HoxHUD isn't the best at all and in fact, will allow your game to crash way more often than it should.
and PocoHud (Alerts you/your crew in chat if anyone of the crew got downed 3 times.)
Notice the number on my circle mean the number of time i can be downed before custody and the number on the others circle means how many times they got downed.