Man therefore gets his vitamin A by eating plants which are rich in carotenes or by eating those parts of domestic animals which are rich in the vitamin itself: liver, butter and cream from milk; egg yolk; and cod-liver oil.
If the vamp is too loose, your heel may slip out of the shoe, while a vamp that is too tight can cause toe pain or numbness. Counter. The heel counter is the back of the shoe that holds the heel in place. A stiff counter offers greater heel control and stability.
If youâre climbing on rand rubber, you will need to replace the rand as well as the sole. Look at the rand. The rand is the strip of rubber around the shoe above the sole. Pay particular attention to the rand on the toe box. It usually gets worn when you scrape the shoe against rock or jam it into cracks. Holes will begin to form in the rand, so you will have to get a replacement rand. Also see if the rand is separating from the upper part of the shoe. Usually the shoe cobbler will squirt glue in the gap to keep the rand and upper together. Also look where the rand and sole meet to see if it is coming apart there.