The PAR can is the lamp housing that safely holds the lamp and any color media (gel) in place. The can also has a mounting bracket that allows it to be bolted to a light bar or truss or by use of a pipe clamp...well, clamped to a pipe.
Raynaud's Disease, Numb, Cold Fingers or Toes, Symptoms and Treatment. Definition. Episodic vasospasm (constriction of small arteries) of the fingers or toes. It is characterized by digital (fingers or toes) blanching or white color, cyanosis (blue), a feeling of numbness or dulled sensory response and rubor (red) after cold exposure and rewarming. It can also be induced by anxiety or stress.
1 Tingling and slight loss of feeling or numbness in the fingers, toes, nose or ears. 2  Blanching or whitening of the fingers, usually without affecting the thumb. 3  Blue skin that feels cold and numb. 4  Numb, prickly feeling or stinging pain, sometimes with redness, upon warming or relief of stress.