Tejime is a Japanese custom of rhythmic hand clapping performed in time with the calls of one participant in order to celebrate the fact that an event has concluded without trouble.
手締め（てじめ）とは日本の風習の一つで、物事が無事に終わったことを祝って、その関係者が掛け声とともにリズムを合わせて打つ手拍子。