Answer: Santa cleans his sleigh with "Santa-tizer"! 🎅🧴
Explanation: Santa-tizer is a playful twist on the word "sanitizer," replacing it with "Santa" to create a humorous and festive cleaning solution specifically designed for Santa and his sleigh. This clever play on words adds a touch of whimsy and holiday cheer to the riddle, making it a delightful and laughter-inducing response. The sleigh must always be sparkling clean for Santa's magical deliveries! 🎁✨