These are all circuits that either I developed or contributed to. Other's additions are also shown, and credit will be given.
B-Vore - A vore that can toggle between photo tropic/phobic/neutral.
Chaos Pummer - Similar to Solarbotic's pummer, but much simpler with few parts.
SC-Head - The simplest head that can lock.
X-cpg - An alternative to the microcore and bicore, it replaces them both.