Abstract: A golf club putter has a putter head including a plurality offset surfaces, each of the offset surfaces containing a respective portion of an alignment figure that has a periphery enclosing an area. Each respective portion of the alignment figure includes respective sections of the periphery. Disorientation of the putter head may be detected by transposition of each portion of the alignment figure with respect to the other portions. Correct orientation of the putter head is indicated by precise alignment of the portions to present the alignment figure without apparent distortion.

Abstract: Hypothermia is treated using an inflatable cover having an undersurface for expelling warmed air and a heater/blower assembly for inflating the inflatable cover. In one embodiment, the heater/blower assembly maintains the temperature of the warmed air expelled through the undersurface in a range of 85.2° F. to 117.7° F. In another embodiment, the heater/blower assembly maintains temperature of the warmed air provided to inflate the inflatable cover in a range of 113.3° F. to 121.3° F.