Abilitations Abilitations Smooth-Grip Ladder enables parents therapists to work with children on vestibular orientation hand/foot placement gripping intrinsic hand/foot control balance reactions and motor planning. Smooth-Grip Ladder made of birch plywood birch dowels and PVC piping can be suspended from double or single point and supports a 320 lb of load. Ladder includes 2 spring snaps and features 7-1/2 in of climbing space with tube coated roper.