“pocket locket” is the first track off the first part of Alaina Castillo’s debut album, parallel universe pt. 1.

Alaina mentioned for the first time on June 25, 2020 during an Instagram live and sang a little snippet, after that, the same day, she sang the same snippet on a Youtube live.

On April 23, 2021, the song title was confirmed as “pocket locket”, the song was first teased as “chicken pocket”