boytone BT-13B Instruction Manual page 12

We would also point out that for the same reason your stylus should be
replaced periodically (approximately every 250 hours)
Dust the stylus from time to time using a very soft brush dipped in alcohol
(brushing from back to front of the cartridge)
WHEN TRANSPORTING YOUR RECORD PLAYER DO NOT FORGET TO:
Replace the protective cap on the stylus.
Put the rest clip into the pick-up arm.