An example collar includes a strap, a removable buckle slidable along the strap, and at least one removable leash attachment. The leash attachment includes a strap-receiving portion with a thickness approximately equal to a thickness of the strap such that the strap is receivable in the strap-receiving portion in a biased fit and the leash attachment is fixable at a location along the strap. Another example collar and a method of assembling a collar are also disclosed.