Start searching from suitability
In use
More than a passion
- No. 1 Trigger Guard -
You should start by looking for a holster that will protect the trigger guard at all times.
Whether carrying or unholstering
Because you don't want anything to get in
Going further and further into your gun without realizing it
- Number 2: Gun Grip -
Here are some ideas for when we need to use a concealed weapon.
That means the situation or the second of risk is life-or-death.
You should consider your proficiency when drawing your weapon.
You want to grip the gun from the holster
Then slowly draw your gun. You may need to shoot with one hand.
Or is it a second hand impression that has come in to reinforce or not?
Or are you confident enough to just hook the handle with your fingers?
And then come and set up the aiming grip.
None of these are the cheapest.
But it depends on the individual's aptitude.
and the training pattern of the user is more 
- Number 3: Safety for your body -
A pouch that you can carry conveniently
and not a burden to users
There are conceptual factors in terms of safety.
There are many points to consider in this sequence.
For example, is the trigger guard completely sealed?
Will the gun rub against the body when carried?
When drawing a weapon, does the gun rub against your body?
When drawing a weapon, where is the trigger finger?
Is it safe?
Remember, you are managing an operation with your weapons.
Which has negative effects and damages, whether to yourself or to those who wish you harm.
- No. 4 Easy to use under pressure -
If you are not a highly trained officer
Is the concealed carry holster you choose conducive to use under pressure?
Does the holster hold your weapon securely?
Which if you may be in a situation of falling and crawling
Does the holster allow you to draw your firearm from an unfavourable position?
These are all 4 basic concepts to help our friends and brothers.
Have guidelines for choosing a holster to conceal your firearm.
It may not be a perfect recipe, some people may add additional topics.
Their needs in different situations or environmental factors.
Source: https://www.itstactical.com/warcom/firearms/concealed-carry-using-a-multi-layered-approach-to-find-the-perfect-holster/
Article: Concealed Carry: Using a Multi-Layered Approach to Find the Perfect Holster
Translated by: Thithat Rinchai on November 17, 2020