enclosing

neighboring

encompassing

around circumambient circumferential circumforaneous

bounding detaining imprisoning restraining

constraint grasp restraint

anchor brace catch cinch cincture clamp clamping clench clinch clutch coercion crushing duress enclosure fastening fixing grapnel grapple gripe handclasp handgrip handhold handshake hold hook ligature lug purchase snatch squeeze strength tenure vise wrench

release