be tipped with something
From Longman Dictionary of Contemporary Englishbe tipped with somethingbe tipped with somethingCOVERto have one end covered in something arrows tipped with poison red petals tipped with white → tipExamples from the Corpusbe tipped with something• The swordfish's sword is tipped with poison.• Iron stemming rods were tipped with such metals but even then explosions still occurred.