851 Cushy Tushy Protectors - Designed so they can be discreetly worn for tests and competitions, these beige lycra bikinis can be worn over tights to cushion tailbones from the occasional bump of a fall while still maintaining a slim silhouette. gel cushioning at the tailbone is slimmer than our protective shorts. everyone prone to tailbone bruising will have the psychological advantage of knowing they are protected without the obvious bulk of everyday protective wear.