Japanese: 後手 合掌 縛り
Ushirote (後): Hands/wrists behind the back
gasshō (手 合掌): From Buddhism, means the hands pressed together with the fingers pointing upwards in prayer position.
shibari (縛り):  “Bondage”

A tie usual referred to in English as the “reverse prayer tie”. This tie is only for the limber! There are Buddhist and Western variations.

See als0: Enchou ude mae te shibari