1) Shulchan Aruch says if you touch your shoes than you need to wash your hands before you make bracha or daven 👉👟

-Mishnah Brurah says that the reason is because of cleanliness- נקיה- and NOT because of רוח רע 🧼

2) If you are in the middle of learning, you could wipe your hands on the table or a tissue 🤧

-Before you daven, you really should wash your hands first 🕍

-Rav Shlomo Zalman Auerbach says that if you just tie your laces than you are fine ⛸️