its good that you have decided to get off benzos but as you have experienced, withdrawal symptoms will really make you feel like hell. As with all habit forming drugs, it's the withdrawal symptoms that make it harder for them to stop.
There have been studies that point to taking diazepam to help with the withdrawal symptoms. Check out this website for more info on how to go about it -->
Withdrawal from Clonazepam - Taper off Clonazepam
They show a complete plan in order to totally get rid of benzos in the body, specifically clonazepam.
But, if you think you can stand the withdrawal symptoms without taking any other medication, then do so. The full effect of the withdrawal symptoms of clonazepam is seen 5-7 days after lowering your dosage.
Hope this helps.