Published Aug 25. 2015 - 1 year ago
Updated or edited Nov 7. 2016

Ventilated spool

On ventilated spools with bars in stead of a solid axle you can just tie the backing onto one of the bars. Direction doesn't mean much in this case.
Martin Joergensen

Comments

This is by far the most helpful website I've found for tying these types of knots. Thank you!