MYOG: Bipod shooting sticks for hunting using trekking poles - Andrew Skurka
9 Best Shooting Sticks for Rifles [Bipods, Tripods & Monopods]
Cabela's Bipod Shooting Rest | Bass Pro Shops
Amazon.com : Vanguard Quest T62U Shooting Stick. Tripod, Bi Pod, Gun Pod All In One With Removable U Shaped Yoke, Quick Flip Leg Locks, Foam Hand Grips , Black : Gun Monopods