Add a Big Foot switch to any tiller and you should be pleased.
http://www.carolinaboatoutfitters.com/catalog/big-foot-trolling-motor-switch-bfs21-p-76097.html?gclid=Cj0KEQjwlYqoBRDajuaTvsyq1PQBEiQAEhSjnAQiNe9cpOOKKXSnfXSNrkf9kE-hfm6B3g2uG1sxuV0aAlDL8P8HAQ