File:Pointe shoe toe spacers.jpg - Wikipedia

File:Ulyana Lopatkina.jpg - Wikimedia Commons

File:Pointe shoe toe spacers.jpg - Wikipedia

Pointe shoe - Wikipedia

Pointe shoe - Wikipedia

Anatomy of a Pointe Shoe — Ballet Fusion

YogaToes® The #1 Doctor Recommended Toe Stretcher & Separator

File:Ballet shoes used by Rudolf Nureyev - Bata Shoe Museum - DSC00335.JPG - Wikimedia Commons

Pointe technique - Wikipedia

File:Helena Herrera Pointe Shoe.jpeg - Wikimedia Commons

File:Korean shoes-01.jpg - Wikipedia

Martha Graham's Ballet Shoes, Warehouse 13 Artifact Database Wiki