You wouldn't buy new running shoes and fall out of and do a marathon, unless you want blisters all over your feet, and unable to walk for a week.
You can use shaving cream, petroleum jelly, saddle soap clearly leather softener made for baseball gloves. https://Japanesewoodworking.net/doku.php?id=youth_baseball_glove_buye_s_guide:the_best_choices_fo_beginne_s