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.
Specifcally for recreational vehicles in mind, the small clamp phone mount uses the handebars, providing a great location for your device within easy reach.
Works on any handlebars, or stable pipe or post ranging from .5" (0.64 cm) to 1" (2.5 cm)