The shunt idea has been cussed and discussed for close to all of the 20 years that I'be been on this site, and nobody is willing to comprpmise their incredibly biased viewpoint. If you'd like to send me a PM, I can describe the home brewed one I've been using for a long time- - - -which costs less than 5 bucks, and works.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!