Mach One shoulder rest. It fits the body easily and the sound was very good. (Individual differences apply) Violin shoulder rest Depending on the size, the feet may be removed for shipping. Please be aware of this. Regarding shipping time of 4-7 days: Basically, we will ship within 4 days. In case of circumstances such as business trips, shipping may be delayed beyond 4 days, so we set the shipping time to 4-7 days as a precaution. If you are in a hurry, please comment before purchasing.