Handwriting
| Field | The practice of writing on hands |
| Went Obsolete | Industrial Age |
| Made Obsolete By | Paper |
| Knowledge Assumed | Ability to read |
| When useful | Relaying messages |
The practice of writing text on one hand of a message bearer. The message bearer would travel great distances with a clenched fist, only to open his hand upon arriving at the house of the addressee.