Flex Index

      Slot| Slot Index| UI Index
----------+-----------+---------
Mainhand 1|          1|        0
Mainhand 2|          3|        1
    Good 1|         15|        2
    Good 2|         16|        3
    Good 3|         17|        4
    Good 4|         18|        5
    Good 5|         19|        6
 Offhand 1|          0|        7
 Offhand 2|          2|        8
   Arrow 1|          4|        9
   Arrow 2|          6|       10
    Bolt 1|          5|       11
    Bolt 2|          7|       12
      Hair|         12|       13
    Helmet|          8|       14
     Chest|          9|       15
    Gloves|         10|       16
     Pants|         11|       17
    Ring 1|         13|       18
    Ring 2|         14|       19