There was a Gizmo advertised at one time that actually used the spark lever to engage the starter. But I've never heard of what you are referring too. But just because I've never seen it doesn't mean anything!
Sent from my E6810 using Tapatalk
Bam! You sir are a gentleman and a scholar!Well this one looks more like it!
https://www.brattons.com/sparky-start-system.html