How to Tie the Sephardic Shel Yad Knot Without Pulling it Through the Maabarta
Very interesting and very helpful video I found on YouTube.
Many times when pulling the Sefardic shel yad knot through the Maabarta, especially when dealing with Pizponim (really small 22mm Batim), the shel yad bais tends to at times open up the bais requiring to redo the sealing.
One way of avoiding this is to first loop the strap through the Maabarta and then tying the knots as needed.
How does one do that? Here's a video showing you how: