How to attach a rifle to a Tatonka pack

What is the best way to attach a rifle to a large Tatonka pack such as the Bison? Check out this video from ‪@rogeeproductions2509‬
tatonka.co.nz/hunting/

[@Bushman_sam]

Great video mate! These are the simple little tips and tricks that can be hard to find without talking to other experienced hunters.