BG's "Reed Performer" has multiple features whether it's a bad reed, a good reed, or synthetic reed. 

• Saves bad reeds by improving their playability.
• Removes fuzzy sounds from bad reeds.
• Gives warmest tone from weak reeds.
• Stabilizes thin canes thus giving a more stable sound.
• Increase reed life at least twice as long.
• Are particularly recommended on good dying reeds.
• Helps also to ensure saving reeds for concert.
• Gives a more round sound through all registers.
• Helps give a better grip to the ligature.