Found this at a rally and tried it. It works great for instant on instant off throttle locking, and can be used with heavy gloves.
Price is 12.50 Contact Email
clariwood@zianet.com. Business phone 505-623-2552.
Unlocked position
Locked position
I am not affiliated this company, and I did not post this to advertise. Just something I found that works well, and thought others might be interested in.
It takes about 1 minute to install using a small phillips screwdriver.
Regards,
Bill