Writing claw: Difference between revisions

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[[image:writing_claw_anatomy.png|thumb|frame|The anatomy of the writing claw. 1: ink sac, 2: phalanges, 3: ink duct, 4: digital pad, 5: claw]]

The writing claw can refer to the claw of the digit next to the inner thumb of the forepaw, or to the entire digit analogous to a human's index finger.

There is a writing claw on each forepaw, though the majority of yinrih favor their left paw for writing.

A [[yinrih]]'s writing claw is shaped like the nib of a fountain pen, and acts more or less like one as well. However, while a fountain pen uses capillary action and gravity to cause a "controlled leak" to produce ink flow, a yinrih has voluntary control over the muscles in the ink sac. By contracting these muscles, and by gently pressing the tip of the claw against a writing surface, ink can flow out. This mechanism allows the writing claw to work in microgravity.

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Ink often dries on the tip of the writing claw, explaining the characteristic flicking gesture that yinrih do before writing.

It is common for yinrih of both genders to score or paint designs onto the writing claw. Designs include religious symbols, floral patterns, and tiny passages of text.

[[Category:Biology]]

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+[[image:writing_claw_anatomy.png|thumb|frame|The anatomy of the writing claw. 1: ink sac, 2: phalanges, 3: ink duct, 4: digital pad, 5: claw]]
 The writing claw can refer to the claw of the digit next to the inner thumb of the forepaw, or to the entire digit analogous to a human's index finger.
+There is a writing claw on each forepaw, though the majority of yinrih favor their left paw for writing.
 A [[yinrih]]'s writing claw is shaped like the nib of a fountain pen, and acts more or less like one as well. However, while a fountain pen uses capillary action and gravity to cause a "controlled leak" to produce ink flow, a yinrih has voluntary control over the muscles in the ink sac. By contracting these muscles, and by gently pressing the tip of the claw against a writing surface, ink can flow out. This mechanism allows the writing claw to work in microgravity.
@@ Line 8: / Line 13: @@
 Ink often dries on the tip of the writing claw, explaining the characteristic flicking gesture that yinrih do before writing.
+It is common for yinrih of both genders to score or paint designs onto the writing claw. Designs include religious symbols, floral patterns, and tiny passages of text.
+[[Category:Biology]]