Kukurizaru represents a monkey with the hands and feet tied to the back, a symbol of self-control and triumph over desires. The idea is that if you put your desire inside the Kukurizaru, the temple's patron deity, Koshin (one of the Buddhist guardians) will help you get over that desire, so your wish will be fulfilled...
EXIF info:
Nikon D90
Lens: 8-16mm F/4.5-5.6G
Focal Length: 11mm
Aperture: F/5.6
Shutter Speed: 1/200s
ISO Sensitivity: ISO 200