Originally Posted by
Vridar
Cecilia, if they're pursuing a business venture, I'd advise them to look into used industrial/commercial walking foot/walking needle machines.
Ron thinks like I do here

industrials are purpose-built for this sort of thing.
If they want to use a domestic in the mean time due to financial constraints, I'd use a 201 with binder. I've heard that domestic walking foot attachments aren't much good but don't have experience using one.