Haglund's deformity, also known as a Haglund’s deformity, presents a common issue among players of hockey, particularly those who use Bauer. It’s represents a skeletal enlargement on the posterior of the heel, usually where the Achilles tendon connects to the bone of the heel (calcaneus). What makes it particularly annoying is the discomfort it causes. https://linkelephant.info/bauer-bump/