Sam, Wouldn’t they be helpful for insuring your tefilin are on properly?
If the Tzitz Eliezer discusses their permissibility on tefilin, the presumption must be their non-permissibility other times.
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Sam, Wouldn’t they be helpful for insuring your tefilin are on properly?
If the Tzitz Eliezer discusses their permissibility on tefilin, the presumption must be their non-permissibility other times.