Typical Effects: This Rosin delivers a crushing blow of euphoria straight to the head. She swiftly sinks down to relax the entire body. She has a strongly head heavy effect that can help remove any thoughts of worry. Her physical warmth envelopes the entire body. You will quickly feel relaxed. She is wondrous for pain relief. Use this melt at night to add potency to your routine! Rosin refers to an extraction process that utilizes a combination of heat and pressure to nearly instantaneously squeeze resinous sap from cannabis. It has gained popularity as a solvent-less way to create shatter-like melts. All that is needed to create rosin from cannabis is heat and pressure.