I wish the Manufacturer would figure out what Velcro is for!

Income DT-E1's Helmet side Surface Fastener and Base plate side Surface Fastener, but IncomeBody also comes with this product.
However, the Base plate of Include Parts:of the same Income (17123) This Surface Fastener on the back side of (Hard side) and paste in the (Product Spec.) However, once the two are attached, if you try to remove the base plate to separate them, the Helmet's Surface Fastener (Soft side) The Surface Fastener part other than the Double-sided Tape of the tape is torn off, and it becomes impossible to use it again.
This is why I purchased this product.
I hope that Manufacturer will think properly about this. View detail

Necessary for a clean installation.

I bought it to replace one Income with three Helmets.
You can use the Universal Product in the normal way, but the dedicated product can be installed more cleanly. View detail