As I'm following the website, 'Max & Mickel's Easy, No-bake Pavilion' on making my tent. As per his post "Lubricate the needle of your sewing machine before each seam " I purchased 3 bottles of Sewers Aid (@ $4.55). With $6.95 shipping, the total was $20.60. Well worth the money if it keeps me from breaking needles!
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Post Script: One (1) bottle was more than enough Sewers Aid! I have 4 walls made, have yet to break or even dull a needle and have almost all of the first bottle of Sewers Aid left.
