Video edits of the horror video game Mouthwashing using Heap’s song “Headlock” on TikTok brought it to popularity online and on streaming services in late 2024. It became Heap’s first Billboard Hot 100 entry, debuting at number 100 in January 2025. It also appeared on the Canadian Hot 100 , also debuting at number 100. It peaked at number 30 on the UK Singles Chart in February 2025, making it her first top-40 entry, and was certified silver in the UK in March 2025.
Headlock became popular on TikTok
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