Lockscape Sticky Rock or Sticky Mulch Glue for Landscaping with Sprayer 1 Gallon, Max Rock Glue for Landscape & Tools HD101 Bundle, Lockdown Gravel or Mulch for Landscaping Hold Stone Max. CHOOSE YOUR SOLUTION: Concentrated formula designed for pebbles, mulch, pine-straw, or even decomposed granite stabilizer - pick your landscape material adhesive in Sticky Rock Glue for landscaping or Sticky Mulch Glue for Landscaping, with sprayer bundle.