clampy

adjective2

1. •
   Resembling a clamp; clamp-like.

   • The hermit crab must somehow sqeeze, His clampy claws and knobby knees — 2010
2. •
   unwieldy, clumsy, hard to wield or control (of hands) through the clamping of muscles.

   • His hands grew clampy with cold.