Credit: USPTO In terms of planned output, one of Skylrk’s trademark filing lists sneakers and boots ... @justinbieber Skylrk shoe sample images are displayed behind Justin Bieber.

Justin Bieber is no stranger to the world of ... fuzzy slippers and more shoes which are believed to be tied to the Skylrk ...

One of Justin Bieber's trainers has its own Instagram ... The eBay seller says he's put the shoe up for auction because he's not a huge "Belieber" and says it should go to someone who is.