The strap is helpful for a person with limited hand strength or limited gripping abilities such as someone with arthritis or a little person. The strap can also reduce the risk of a person dropping the FreedomWand Toilet Aid when bending over to retrieve it is difficult. Wonderful if you have just had back surgery! Strap can be adjusted to three different sizes small, medium, and large depending on your needs. Sold individually and does not include the handle.