The trial period will last for one week after the items arrival. We can send no more than two bows at a time. Please contact the shop by phone if you are needing to try more than two. After you have filled out your trial agreement, we will contact you to discuss which bow(s) you would like to have sent to you . By scheduling a trial, you are entering into a legally binding contract with Tulsa Strings Violin Shop and you the customer are in an agreement for the trial of items listed above on this agreement. The items are the responsibility of the customer during the trial period. Items must be returned on the last day of the trial period or communication be made with Tulsa Strings for any changes to the end of date or trial period. Any loss, damages, or excessive wear to the items during the trial period will be financial responsibility of the customer.