Adjustable leg belt - DIY

With my bicycle, I ride to work everyday, and now I found pant is getting dirty at the part that near to the cycling part.

So, I should get a leg belt to bundle my pant, but I don't know where to get it.

Today I cycle to the city for some shopping, then in the shopping mall, when I saw these thing, it make me think of making it myself!! Well, not that I am smart OK, the thing display there make me think of the possibility to make an adjustable leg belt.

So, these are the thing I bought

I sew the 'head' part, make it like a belt, and this is the result

adjustable leg belt - DIY - done

Good da, tried it, and it fit very well ;)