This is a suction cup towel rack. Its suction cups are super strong.

Sea lampreys attach to fish with a suction cup mouth ringed with sharp teeth.

Yanni was carefully peeling the suction cup off.

The suction-capacity of a vacuum cleaner depends directly on its electric capacity multiplied by efficiency.

Yanni started peeling the suction pad off.

Yanni was carefully peeling the suction pad off.

Yanni removed the suction cups.