(多选题)Please choose the CORRECT options about reforcing and reducing manipulations of the filiform needle.
选项：

A: reinforcing-reducing by keeping the needle opening patent or closed is one of the basic manipulations
B: one of the reducing techniques is to use the thumb to twirl the needle backward and the index finger to twirl the needle forward forward with a large amplitude and higher frequency
C: one of the reinforcing techniques is to thrust the needle forcefully and lift it gently starting from the shallow portion of the point.
D: in the method of reinforcing-reducing by puncturing along or aganist the direction of the channel, reducing technique is to insert the needle to a given depth swiftly and lifting it slowly beneath the skin