Mini spring clamps look like miniature 2" jumper cable clamps. They have black vinyl protective coverings and the handles have a small hole so that you can screw them into any surface. Simply pinch these clamps open and insert a side or bottom binding. Mini spring clamps are not as unobtrusive looking and are not made of weather resistant metals like the other attachment items, however they grip very very well and can be repurchased seasonally at any hardware store. They are used for unusually strong wind conditions.