Drawstring Bike Seat Cover

a bike seat
elastic lace
paper
pen (sharpie )
cotton (i used an old t-shirt )
a sewing machine and the last thing, i think it's called a drawstring

trace the shape of your bike seat with the sharpie and the pen and then cut the shape with scisors . after take the cotton , t-shirt or other and cut it with the scissors

use the sewing machine to stich the elastic lace like this

now put your cover on the seat and enjoy

if you have question ask to your mother or just look at this video .

http://m.youtube.com/watch?v=Du8fyMRnZug#