Progress Sash from Kheper Games. Progress Sash lets you show your pride and inclusiveness with these vibrant sashes that incorporate our licensed Progress Sash flag design. Great for upcoming pre-wedding events, or you could also don the Progress Flag at any prideevent. Show your support, even at your straight Bachelor / Bachelorette parties! Categories: Party Games, Gifts, Supplies, Lingerie, Clothing, Sexy Costume Accessories, Adult Gags, Gifts and Novelties. 2024.