Your best bet depending on the clothing you’re wearing behind the kit would be…….google……..
side draw belly band holster
Concealed carry Fanny pack holsters
Or shoulder or ankle holsters . All will have their limitations and pros and cons . Last for me on the list would be an ankle holster. Never liked them . But the comfort of those ( for playing behind a kit) depends on the size of the weapon. Same with shoulder holsters. Stop in your preferred gun store and try a few on and explain to a knowledgeable employee or owner your intended use to find an option that suits you 👌🏻.
This may help you out a little
Sitting for long periods of time is uncomfortable enough. There are a couple of things you can do to make concealed carrying while sitting more comfortable.
www.vedderholsters.com