Swimming Mermaid Tail Add On:
Website: https://shop.craftyintentions.com/b/74Oka
Ravelry: https://www.ravelry.com/patterns/library/doll-add-on-swimming-mermaid-tails
Etsy: https://www.etsy.com/listing/4476393848/doll-add-on-swimming-mermaid-tail
Doll Body Pattern:
Website: https://shop.craftyintentions.com/b/AFgsD
Ravelry: https://www.ravelry.com/patterns/library/doll-body-11
Etsy: https://www.etsy.com/listing/1854676450/doll-body-crochet-pattern-by-crafty