Tightening the Mask Strip - Shabbat
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Question
Is it permissible to tighten the disposable mask with techelet on Shabbat? It contains a wire that helps to secure it to the nose. Or is this considered fixing an object? Please provide sources as well. Thank you!
Answer
Shalom Rav
There is no prohibition against tightening the metal strip on the face.
Bending an object that is considered fixing or building the object only occurs when a permanent shape is created in the object, like straightening a skewer.
Minor changes in the shape of the object, even if they are beneficial for use, are similar to buttoning a garment or folding a garment that does not remain permanent.