Punk Vegan Spiked Collar Sexy Faux Soft Beautiful Bondage Leather Lust Collar ... A bondage playground just wouldnt be the same without a must have collar like this one. Team it up with some lust cuffs, a paddle or whip a gag and you are setting the scene for some awesome new levels in your playground. Collar Width 5cm Length 48cm (18.8) 10 Adjustable Options7 Spikes O Ring 50mm Please note, We have two grades of Faux Leather and they are Beginners/Soft Bondage: This Faux Leather is light weight and designed for soft bondage play. It feels light to wear but is not suitable for hardcore/heavy bondage. The average thickness of the PVC Material is 2mm Hardcore/Heavy Bondage: This Faux Leather is thicker and stronger and designed for more experienced or hardcore bondage users. It is heavier to wear and more robust. The average thickness of the PVC Material is 2.5mm. Choose the grade that is most appropriate to your use.