四分律行事鈔資持記 2.748

2.748

十四。（佛在舍衛，六群嫌故臥具重，不捨更作，常營求藏積故制。）

Fourteen. (The Buddha was in Śrāvastī. The group-of-six disliked that their old bedding was heavy, and without relinquishing it made more, constantly seeking and hoarding it; hence it was prohibited.)