I'm looking at adding a side saddle to my new Remington 870 Express HD. I've read that elastic side saddles are the way to go because the hard plastic ones loosen up sooner or later. But I have questions about the elastic/velcro side saddles, such as the one made by 3gungrear (check it out here: 3gungear.corecommerce.com/cart.html). Questions: 1. Does anybody have experience with this type of side saddle? 2. Do you have to glue the velcro system directly to the gun? 3. If it is glued, does it damage the finish? 4. I'm aware of the TacStar and Mesa side saddles. Anything else out there? Thanks in advance for the input! Thanks in advance for the input!