These would go nicely with a set of platform flip flops! Learn how to make UGG-style crochet boots with flip flop soles in Part 1 of this free crochet pattern and video tutorial. Excellent slippers or shoes!
If you're curious how to crochet on flip flops, this post will answer all your questions including if they fall apart over time. Great free tutorial on how to get started crocheting shoes and boots for spring, summer, fall, and winter.