According to the most recent scholarly investigate, when Chan grasp Linji referred to the 'true guy of no rank' as 'a shit-stick' (Irmgard Schloegl's translation) it likely was not a variety of stick for wiping oneself just after going to the rest room - as is thought by nearly absolutely everyone who has at any time go through a Zen text - but fairly Tang slang for a adhere-like piece of shit.