|1937 Triumph Norm-6 176873|
The ribbon spools are quite genius. Rather than hooking ribbons on the normal way, there is a little locking clamp. It's both simpler to change, less messy, and also more durable than a typical ribbon spool arrow. All these qualities are important if you're going to have the user keep the original spools.
*I suppose my ramblings aren't actually greater than the entire Nazi party,
but it sounded good as I wrote it.
Sent from my new Triumph Norm-6