07-09-08: RadioheadokplayerYeah, but that's the point of spikes or cones--terminating in a small point. Spikes and cones are everywhere and it's not like components and speakers are tipping over and falling over throughout the audio world.
The bottom of the heavyfeet is only a small point so not the last word of stability
The weight of the component is concentrated on those 4 small points. In the case of an SL12x0 turntable plus the Heavyfeet, you have 30 lbs. concentrated on the area of four points. That means the pressure from above is highly concentrated, and it's why components don't usually wobble when set on cones.

