Chol HaMoed
38. The Mechaber holds one may cut his nails on Chol HaMoed (שו''ע סי' תקל''ב ס''א ). However, the Rama argues and holds one should be machmir not to cut them on Chol HaMoed so that he will cut them on erev Yom Tov and not enter Yom Tov unkempt. If one would be allowed to cut them on Chol HaMoed, people would be lazy and rely on cutting them on Chol HaMoed, similar to the halacha of haircuts and shaving (מ''ב שם סק''ב ).
39. Erev Shabbos Chol HaMoed. Thus, if one indeed cut his nails on erev Yom Tov, he may cut them again on erev Shabbos Chol HaMoed, as he did not enter Yom Tov unkempt (מג''א, מ''ב שם ). Some hold that if one cuts his nails every erev Shabbos, he may also cut them on erev Shabbos Chol HaMoed even if he did not cut them erev Yom Tov (שו''ת נחלת שבעה הובא בבאר היטב שם ).
