https://www.anchormarine.com.au/product/anchor-marine-shop/sailing-cleats-fairleads-hooks/vee-jam-cleat/
Vee Jam Cleat - Anchor Marine
jam cleatveeanchormarine
https://shop.foghmarine.com/clamcleat-jam-cleat-midi-open-top-nylon-4-8mm.html
Clamcleat Jam Cleat Midi Open Top Nylon 4-8mm - Fogh Marine Store | Sail Kayak SUP
With the CL209 the rope drops down into the teeth to give a quick and positive lock that is easy to release.The cleat is maufactured from UV resistant plastic,
jam cleatopen topmarine storemidinylon