For its newsletter subscribers only, Everydaysource offers the Camera Hot Shoe Cover and Flash Diffuser with Rubber Ring for $10.99. Coupon code "S0815BLMC" cuts it to $5.29 and bags free shipping. That's the lowest total price we could find for such a set by $2. The hot shoe cover protects the hot shoe mount from debris and dust. The foldable diffuser includes a rubber ring to attach to the flash unit. Coupon expires after 1,000 uses.