Merrylock MK6070 is the first high-end equipped with 24 unique stitches air threading combo sewing machine in Taiwan market.
The mechanism of a serger is much more complex than a sewing machine. This model holds more than 10 patents across multiple countries and regions.
The air-threading system save users approximately 70% threading time and significantly assist users in resolving threading difficulties and incorrect threading issues to prevent poor sewing quality caused by these problems.