press studs

As well as fragments of coffin wood and nails, there were four press studs .

另外，除了棺木碎片和钉子以外，还有四个揿扣。

Quilt cover with concealed press studs; keeps the quilt in place.

被套带有隐蔽式按扣；使被子固定在位。

Scientists at the War Memorial cracked open the press studs and found inside fragments of cloth.

阵亡将士纪念馆的科学家们砸开揿扣，从中找到了布料碎片。