Find Spinlock Spinlock at Mauri Pro Sailing. Spinlockis an independent and innovative company, widely acknowledged as the world expert in ropeholding. Based in Cowes, UK, the 'Home of Yachting', Spinlock has over thirty years experience of designing and manufacturing rope holding equipment for sailing boats, from dinghies up to the largest superyachts. Please don't hesitate on visiting our website. We are fully commited to provide you the highest quality on Spinlock to sail secure and comfortable.