Lesser Glyph of Reinforcement is a glyph added on with the Hearts of Stone expansion.
It adds +33% reduction in item durability loss and is needed to craft Glyph of Reinforcement, or to make the following glyphwords:
It can only be crafted or purchased from the runewright.
Crafting Requirements 
Glyphs |
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Runestones |
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Enchantments (only with HOS) |
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