<http://schema.org/description>
"A rubber suction cup foot with retractable stainless steel spike. The suction cup increases the suitable area of the foot of the monopod by almost 20 times, giving much greater stability when needed. The foot can be removed and replaced at will."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.manfrotto.us/suction-cup-retractable-spike-foot-d25mm-fits-monopod-681b>