these sources, in contrast to those from the tang period, refer to shaolin methods of armed combat. this include the forte of shaolin monks and for which they had become famous — the staff (gun); general qi jiguang included these techniques in his book, treatise of effective discipline. despite the fact that others criticized the techniques, ming general yu dayou visited the temple and was not impressed with what he saw, he recruited three monks who he would train for few years after which they returned to the temple to train his fellow monks.