Primos trigger stick tall bipod is the most adjustable of the options Ive found. I dont like its weight and I dont like its cheap camo paint, but damned if it isnt the best thing going for quick setups in any terrain. Ive seen enough opportunities missed due to lack of quick rifle setup and stabilization in the final seconds... Shooters are scaring game or letting them walk off by throwing their pack all around, breaking branches to see while prone, moving 10 yards this way and back again. These little fiddle farting adjustments really do cost hunters a significant number of opportunites. These trigger sticks are kind of clunky but you can get on on game, stable, from sitting, kneeling to standing in seconds, on a slope, in heavy brush etc....I added some felt camo tape to the lower 16 inches so its nice and quiet now. Until they make one in carbon fiber, Ill probably keep using it.