Cover your items in Netherite to avoid losing them in lava or fire. They won't burn!!
Use a Netherite Template and Netherite Ingot with the item in the Smithing Table, to cover it.

Current items you can cover:

• Shulker Box
• Elytra
• Bow
• Brush
• Clock
• Compass
• Crossbow
• Fishing Rod
• Flint and Steal
• Mace (if 1.21 preview is enabled)
• Recovery Compass
• Trident
• Turtle Helmet
• Shears
• Shield
• Spyglass