32 based on image data from the tv camera 61 and signals from the jog switches 69 the operation of the pocket setter 6 is now explained with reference to fig7 a through 7d and fig8 a through 8j before setting the pocket patch p and the body cloth w the supporting member 7 is set at the waiting position above the table 1 the gauge plate 10 is laid under the supporting member 7 and the holding plate 13 folder supporting plate 16 and clamp 35 are set at their upper positions as shown in fig7 a when the body cloth w is supplied under the clamp 35 it is determined at step s1 whether the clamp switch 66 is turned on if the result is yes the cpu 63 drives the air cylinders 41 and 42 at step s2 to lower the clamp 35 for holding the body cloth w on the surface 1a fig8 a the cpu 63 operates the tv camera 61 at step s3 to take a picture of the pattern wa and stores the pattern wa as image data in the ram 65 at step s4 the cpu 63 drives the air cylinder 8 at step s5 to project the gauge plate 10 forward fig8 b after the pocket patch p.