Another cool thing about the plant from that page:

In a paper written by Ds Davidson, published in 1947, it was noted that the Warnman people, an Aboriginal Australian group, used Crotalaria cunninghamii to make canvas shoes. The Warnman people primarily lived in the Gibson Desert and used Crotalaria cunninghamii fibre shoes to protect their feet from the hot sand and rugged stony desert ground. The way the fibre was constructed was by peeling off the soft bark and then tying the smaller fibres together and tying them around your feet.[11] The Indigenous people of the Little Sandy Desert also used the plant in this way, as well as for belts to hang food, such as goanna, from.[12]