hagan universal ski crampons

[everest8850]

Anyone tried these? for skis up to 100mm in width
https://www.backcountry.com/hagan-s...=U2VhcmNoIFJlc3VsdHM6aGFnYW46MToxMjpoYWdhbg==

They look a bit 'shallow' to me, and the cheese grater like 'teeth' might simply clog up with ice. Views?