You can also try a white noise machine. Look into a good trainer.  Use a pretty silk scarf. It was in remarkably good condition, and my sister didn't want it, so I took it home, polished it, then placed a sheet of glass over the top and had a new coffee table.  Courtney K., Mobridge, S.D.
The piece of wool is used in a training machine.
( z0 use :ARG1 ( z1 piece :cxnsistof ( z2 wool ) ) :ARG2 ( z3 machine :purpose ( z4 train ) ) )
(z0 / use-01
    :ARG1 (z1 / piece
              :consist-of (z2 / wool))
    :ARG2 (z3 / machine
              :purpose (z4 / train-01)))
The piece of wool is used in a training machine .
z1 :consist-of z2
z0 :ARG1 z1
z3 :purpose z4
z0 :ARG2 z3