Press seams open using a seam roll. For hard-to-reach seam allowances on collars and lapels, press them open over a point presser.

然后用袖烫垫烫开缝线。领子与驳头上难以烫到的缝份，用小烫板烫。

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Try the technique before you buy with a DIY alternative. Roll a sheet of black card into a cone and place a strip of black or gaffer tape along the seam to hold it securely in place.

在买之前先自己DIY一个，把一张卡纸卷成圆锥型，用电工黑胶粘牢。

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