Uncle Phil said:Which model did you go with? I'm looking for something when I rent ST1300s overseas.
Unk I went with the black aluminum Go Cruise. I paid $30 for it at the San Mateo bike show:
http://www.aerostich.com/go-cruisetm-universal-throttle-control.html
Since your use case would probably be less frequent the plastic version for $20 might be preferable:
http://www.cycleworld.com/2014/05/01/2-wheel-ride-go-cruise-throttle-assist-2-video