Use "wader" in a sentence

1. Those were slow, silent, often turbid; flowing over beds of mud into which the incautious wader might sink and vanish unawares

2. Very variable, but all with the distinctive ray shape though hard for the wader to spot

3. I used to admire the ripple marks on the sandy bottom, at the north end of this pond, made firm and hard to the feet of the wader by the pressure of the water, and the rushes which grew in Indian file, in waving lines, corresponding to these marks, rank behind rank, as if the waves had planted them