Katie Davies

In the source linked it clearly shows the whammy dt on Katie's pedalboard

Clearly shown on pedalboard in the photo

Clearly shown on the pedalboard in the photo

Shown in on the pedalboard in the top left corner of the photo

Shown in the top right of the pedalboard in the photo

Clearly shown in the center mid of the photo of the board

Katie Davies uses the God City Instruments Jugendstil fuzz pedal, as shown in a photo of her pedalboard on the Pupilslicer Facebook page.

Katie Davies uses the Maxon OD808 Overdrive, as seen prominently in the center of her pedalboard in a Facebook post.

Katie Davies appears to be using the TC Electronic Hall of Fame 2 Reverb pedal, as seen in a Facebook post by Pupilslicer. While the image is not entirely clear, the pedal is likely the V2 model. Further verification from those familiar with her gear setup would be helpful.

Shown and said in this Facebook post in the pupil slicer official page: https://m.facebook.com/pupilslicer/posts/new-guitar-day-huge-thanks-to-dunable_guitars-for-getting-this-out-to-me-plays-l/1242665779487204/