Towing systems are an important part of your rescue and safety toolkit.
You should carry both a Contact Tow line and a 15m towing systems in an accessible place - you never know when you might need them in a hurry! You should also have a safety knife attached to your PFD in case of entanglements.
Both these tow systems are available already made up or in DIY kits.
Instructions for constructing a tow line from the kits is contained in our Youtube videos: