or in winter blow dry gently
its all the rubbing that undoes the knots
1 stop using that goofy sponge
2 wash with a dread shampoo www.dreadlockshampoo.com is best, liquid for straighter hair types bar for African types (non African switch to bars when mature) don't towel dry
3 let them... they will knot unknot knot unknot etc but washing actually is the only thing you have to do to create knots
4 be patient knots take time to form and 'settle in" tightening.. they have to loosen then knot then tighten over and over
how did you start?