いろんなフォントで「square knot」変換
Zen Old Minchosquare knot
Yusei Magicsquare knot
M PLUS 1square knot
Shippori Antiquesquare knot
Yuji Maisquare knot
Dela Gothic Onesquare knot
DotGothic16square knot
Train Onesquare knot
Hira Minchosquare knot
Potta Onesquare knot
Reggae Onesquare knot
Sticksquare knot
Zen Kurenaidosquare knot
Kosugi Marusquare knot
Rampart Onesquare knot
Hachi Maru Popsquare knot
New Tegominsquare knot
RocknRoll Onesquare knot
Kaisei Decolsquare knot
「square knot」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
