To enable this, create a smart collection named All Products and set the condition to 'Product price is greater than 0'. You can create a collection through the 'Collections' menu in Shopify admin. Or you can turn this section off through theme settings.
Have the freedom to put various clevises on the end of the Mongoose XE. Using the 3/8" stud, mount different size clevis and tablet displays to get the solution you need.