Toilers of the sea

He undressed and threw his clothes on the deck. There, on a sailboat, for him there is another. Clubin left only a leather belt. Undressed, felt him, pulled it tight, made sure that the snuffbox in place, carefully looked at the waves, studying the direction in which you had to swim to get to the cliff, then jumped into the water headfirst.
He was falling from a great height, so I dived deeply.
Reaching the bottom, touched him, found lying at the bottom of the rocks and waved his hands, intending to swim to the surface.
At this moment Clubin felt that someone grabbed his leg.