I bought some Herbie’s Gliders to go under the spikes and protect my wood floors. They aren’t expensive and work well.
http://herbiesaudiolab.net/spkrfeet.htm
Go to the middle of the page and look for:
Cone/Spike Decoupling Glider
B
http://herbiesaudiolab.net/spkrfeet.htm
Go to the middle of the page and look for:
Cone/Spike Decoupling Glider
B