▁addition ▁to ▁being ▁too ▁similar ▁to ▁that ▁found ▁in ▁many ▁crime ▁dram as ▁of ▁the ▁time , ▁was ▁un character istic ▁of ▁the ▁strictly - log ical ▁Spo ck , ▁and ▁suggested ▁the ▁neck ▁pin ch ▁as ▁a ▁less - em ot ional ▁alternative . ▁ ▁ID IC ▁ ▁The ▁ID IC ▁( In finite ▁D iversity ▁in ▁In finite ▁Com bin ations ) ▁has ▁become ▁a ▁symbol ▁of ▁V ul can ▁equality ▁philosophy . ▁It ▁is ▁symbol ized ▁by ▁the ▁" K ol - U t - Sh an ", ▁a ▁pendant ▁of ▁yellow ▁and ▁white ▁gold ▁with ▁a ▁circle ▁and ▁triangle ▁rest ing ▁upon ▁each ▁other , ▁and ▁ad orn ed ▁with ▁a ▁white ▁j ew el ▁in ▁the ▁center . ▁ ▁The ▁V ul can ▁ID IC ▁pendant ▁was ▁designed ▁by ▁Gene ▁Rod den berry ▁as ▁a ▁market ing ▁prem ium ▁to ▁be ▁sold ▁through ▁mail ▁order ▁to ▁Star ▁Tre k ▁fans . ▁As ▁early ▁as ▁the ▁end ▁of ▁the ▁first ▁season , ▁fans ▁of ▁the ▁show ▁had ▁begun ▁writing ▁the ▁studio ▁asking ▁for ▁copies ▁of ▁the ▁scripts , ▁film ▁clip ▁frames , ▁etc ., ▁and ▁these ▁were ▁soon ▁sold ▁through ▁Rod den berry ' s ▁mail ▁order ▁company , ▁Lincoln ▁Enter pr ises . ▁As ▁ev iden ced ▁in ▁some ▁of ▁his ▁letters ▁and ▁mem os , ▁Rod den berry ▁was ▁fond ▁of ▁circle - and - triangle ▁designs ▁and ▁had ▁wanted ▁to ▁use ▁them ▁as ▁early ▁as ▁the ▁first ▁season ' s ▁" The ▁Return ▁of ▁the ▁Arch