Conversation so far:
When did Slipknot (band) take their hiatus?
In mid-2002
Why did Slipknot take their hiatus?
Slipknot went on hiatus because of internal conflicts.
What did Slipknot do during their hiatus?
Slipknot Band members focused on side projects.

Question: What were those projects?
Self-contained rewrite: What were the side projects of the Slipknot band members?