Usually sold at Shinto shrines only during the first days of the year, these decorative wooden "demon-breaking" arrows (hamaya in Japanese) are made to be displayed inside the house, and are meant to keep away the bad spirits.
EXIF info:
Nikon Df
Lens: 24-70mm F/2.8G
Focal Length: 29mm
Aperture: F/2.8
Shutter Speed: 1/640s
ISO Sensitivity: ISO 1600