Bluey desperately wants expensive trainers that influencer Cat Sith is promoting.  Seordag can't afford them so she makes a pair for her chick, but Bluey doesn't like them.

 Soley the seagull tells Seordag that Cat Sith is fake and doesn't wear trainers. They have to find a way to prove to Bluey that Cat Sith cannot be trusted and that his trainers are not worth it.

"Cat Sith Trainers" is book 11 in Seordag Stories; a children's picturebook  scifi series of adventures about a cyborg hen and her friends in the Scottish Highlands.