I'd like to get one, but they all seem to me like they have the same function and are just shaped differently. Are they each made differently for different positions, or is it just the looks that are different? Also, are they comfortable and sturdy?
I'd like to get one, but they all seem to me like they have the same function and are just shaped differently. Are they each made differently for different positions, or is it just the looks that are different? Also, are they comfortable and sturdy?