Kores - Fingertip Moistener for Counting, Sorting and Collating, Antibacterial and Non-Toxic, Handy Plastic Dispenser, Pack of 1 x 15 ml : Amazon.co.uk: Stationery & Office Supplies
HBW Fingertip Moistener Non-slip 40g - HBW
Lee Sortkwik Anti-Bacterial Odorless Non-Toxic Fingertip Moistener with Non-Skid Back, 1-3/4 oz : Amazon.co.uk: Stationery & Office Supplies
Fingertip moistener 25g | Q-Connect
Finger Moistener for Paper -1 Pack- Odorless, Non-Toxic, & Non Greasy for Counting Papers, Bills, Non-Slip by Executive Supplies : Amazon.co.uk: Stationery & Office Supplies