Pressure is applied to a loose skin region of the animal body by forming an elongated skin fold in the region and applying a clamp to the fold, such clamp including a pair of elongated clamping portions resiliently biased towards each other, and the clamping portions being disposed on opposite sides...http://www.google.ca/patents/US4269190?utm_source=gb-gplus-sharePatent US4269190 - Method of and clamp for applying pressure to a skin region
