shuan1
to tie up

strokes 9
radical
strokes after radical 6
螺拴 螺拴 luo2 shuan1
bolt

拴住 拴住 shuan1 zhu4
to tether; to tie up; (fig.) to restrict; to keep a hold on

音拴 音拴 yin1 shuan1
organ stop (button activating a row of pipes)