I was brainstorming how we can make the clothing fit with the right size on the avatars, because the avatar will change size with blend shapes. This means that we can not just use clothing that has standard sizes, because the blend shapes are too variable.
The solution I currently thought of is adding blend shapes to the clothing as well. If we make them the same as the blend shapes on the avatar (same minimum and maximum size and form/shape) then when a user has edited the size of their avatar we can take the blend shapes that should also be effective on the clothing and make them into percentages. Next we can use those percentages to change the blend shapes on the clothing accordingly.
Reflection
The problem with the above solution is that it will take a lot of time to make the blend shapes the same (for every piece of clothing) as the ones on the avatar. This will mean that I will have to ask others in the group to help me make them. I will also do more research in the future, but this is my first idea.