adj.clamped as in a vise

"a viselike grip"

Vise-like C-clamp for gripping variously shaped work pieces in varying positions
Chronic tension-type headache: advice for the viselike-headache patient
Viselike Robotic Gripper
Apparatus for expanding the worksurface of a vise-like workholding apparatus
Recessed luminaire vise-like mounting system and method
CHARLIE HOWARD'S VISELIKE GRIP HIS DOMINATING ROLES AS BROKER, INVESTMENT ADVISER TO BANKS UNDER SCRUTINY
In the gym (16) Get a grip: advice for vise-like hands
Modular vise-like workholding system
PNEUMATIC GRIPPERS FOR A VISE-LIKE GRIP OR A GENTLE SQUEEZE
With vise-like grip, Japan keeps health costs down - for now