A small update has been made, Gangs, squads, companies and groups can have a custom walking style, this walking style will be optional and you will be able to switch between the regular walking style and your custom one.
The command to do this with is /togglewalk, I suggest you bind it.
In order to get it you need to request it on the GM tracker with the following format:
Desired walking style (ID and name):
The gang class can be found in tab, this is case sensitive.
The ID's can be found here: https://wiki.multitheftauto.com/wiki/SetPedWalkingStyle