diff --git a/glyphs/symbol-arrow.ptl b/glyphs/symbol-arrow.ptl
index 3932eec0b..b0abbdecd 100644
--- a/glyphs/symbol-arrow.ptl
+++ b/glyphs/symbol-arrow.ptl
@@ -133,6 +133,8 @@ glyph-block Symbol-Arrow : begin
 			local y1a : mix y1 y2 (1 - p)
 			local x2a : mix x1 x2 p2
 			local y2a : mix y1 y2 p2
+			local x1CoA : mix x1 x2 (-0.05)
+			local y1CoA : mix y1 y2 (-0.05)
 
 			if (color == "white") : include : difference
 				union
@@ -142,6 +144,14 @@ glyph-block Symbol-Arrow : begin
 					TriangleArrowHead x1a y1a x2a y2a (headWidth - innerHeaderLengthShrink * headWidth / headLen) (headLen - innerHeaderLengthShrink)
 					ArrowBar x1a y1a x2a y2a (halfBarWidth - fine / 2) 2
 
+			if (color == "white-open") : include : difference
+				union
+					TriangleArrowHead x1 y1 x2 y2 headWidth headLen
+					ArrowBar x1 y1 x2 y2 (halfBarWidth + fine / 2) 2
+				union
+					TriangleArrowHead x1CoA y1CoA x2a y2a (headWidth - innerHeaderLengthShrink * headWidth / headLen) (headLen - innerHeaderLengthShrink)
+					ArrowBar x1CoA y1CoA x2a y2a (halfBarWidth - fine / 2) 2
+
 			if (color == "black") : include : union
 				TriangleArrowHead x1 y1 x2 y2 headWidth headLen
 				ArrowBar x1 y1 x2 y2 halfBarWidth 2
@@ -292,6 +302,8 @@ glyph-block Symbol-Arrow : begin
 		arrow [ThickArrowShape 'white'] [MangleName 'uni2B01'] [MangleUnicode 0x2B01] arrowDiagRSB arrowDiagBot arrowDiagSB arrowDiagTop
 		arrow [ThickArrowShape 'white'] [MangleName 'uni2B02'] [MangleUnicode 0x2B02] arrowDiagSB arrowDiagTop arrowDiagRSB arrowDiagBot
 		arrow [ThickArrowShape 'white'] [MangleName 'uni2B03'] [MangleUnicode 0x2B03] arrowDiagRSB arrowDiagTop arrowDiagSB arrowDiagBot
+		DoubleArrow [ThickArrowShape 'white-open'] [MangleName 'uni2B04'] [MangleUnicode 0x2B04] arrowSB symbolMid arrowRSB symbolMid
+		DoubleArrow [ThickArrowShape 'white-open'] [MangleName 'uni21F3'] [MangleUnicode 0x21F3] arrowMidX arrowBot arrowMidX arrowTop
 
 		arrow [ThickArrowShape 'black'] [MangleName 'uni2B05'] [MangleUnicode 0x2B05] arrowRSB symbolMid arrowSB symbolMid
 		arrow [ThickArrowShape 'black'] [MangleName 'uni2B06'] [MangleUnicode 0x2B06] arrowMidX arrowBot arrowMidX arrowTop
@@ -302,6 +314,8 @@ glyph-block Symbol-Arrow : begin
 		arrow [ThickArrowShape 'black'] [MangleName 'uni2B09'] [MangleUnicode 0x2B09] arrowDiagRSB arrowDiagBot arrowDiagSB arrowDiagTop
 		arrow [ThickArrowShape 'black'] [MangleName 'uni2B0A'] [MangleUnicode 0x2B0A] arrowDiagSB arrowDiagTop arrowDiagRSB arrowDiagBot
 		arrow [ThickArrowShape 'black'] [MangleName 'uni2B0B'] [MangleUnicode 0x2B0B] arrowDiagRSB arrowDiagTop arrowDiagSB arrowDiagBot
+		DoubleArrow [ThickArrowShape 'black'] [MangleName 'uni2B0C'] [MangleUnicode 0x2B0C] arrowSB symbolMid arrowRSB symbolMid
+		DoubleArrow [ThickArrowShape 'black'] [MangleName 'uni2B0D'] [MangleUnicode 0x2B0D] arrowMidX arrowBot arrowMidX arrowTop
 
 		arrow ArrowShape [MangleName 'arrowleftK']    null arrowRSB symbolMid (arrowSB + fine) symbolMid
 		arrow ArrowShape [MangleName 'arrowrightK']   null arrowSB symbolMid (arrowRSB - fine) symbolMid