Undo the Velcro or tapes completely.
Place your fingers, on either side, at the top of the tail bandage.
With your fingers, ease down on either side of the bandage gently. If it is difficult to remove, remove with short tucks.
Keep easing the bandage down until you reach the end of the dock.
Remove the entire bandage from the loose part of the tail.
Wash, dry and re-wrap the tail bandage.