BOG Deathgrip Sherpa, Tripod, Carbon Fiber Construction, Matte Finish, Includes Adjustable Deathgrip Clamp, Ball Head Mount 1168229 The BOG DeathGrip Sherpa Backcountry Tripod is a close cousin to BOG's DeathGrip Infinite series and is the ultimate tripod for backcountry business. The DeathGrip Sherpa weighs in just over 4 lbs. and features a quick-change system on a supersmooth ball-head mount. The DeathGrip utilizes a proprietary hybrid foot" twist-lock legs" a proprietary DeathGrip clamp system" and a removable center post. The DeathGrip Sherpa is a very versatile backcountry setup and comes in at a fraction of the price of the competition.