I just bought him a three wheel bike and he really loves it but I have to attach a leash because he has no hear at all-deaf. He also needs reminders to remember to use the brakes. Sitting next to him in the long run offers him more freedom as he could learn to ride correctly. With side by side I can explain with AsL just before things occur 

I just bought him a three wheel bike and he really loves it but I have to attach a leash because he has no hear at all-deaf. He also needs reminders to remember to use the brakes. Sitting next to him in the long run offers him more freedom as he could learn to ride correctly. With side by side I can explain with AsL just before things occur