- During the earlier days, before heavy boxes were placed in front of the forced hot air furnace, roomba drivers took great interest in it.
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## Furnace shenanigans
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During the earlier days, before heavy boxes were placed in front of the forced hot air furnace, roomba drivers took great interest in it.
#### Scratching the furnace
- Prior to the addition of grippy tape in the second generation multirovers, the roomba cage was sharp, and easily able to scratch metal surfaces. One user known as Caydu took advantage of this and scratched the heck out of the furnace and the air duct.
