Howlett ReinsHowlett Reins Week Collection Jump'In These rubber reins specific to the Jump'In Howlett training aid must be attached to it. A reminder of the Howlett Training Aid action: pretty much similar to the draw reins action, it allows the horse to work with the right angle. When the horse is in the right working angle, the Howlett training aid will give in so the rider only acts on the bridle reins. This mechanism relieves the horse from possible rider's