https://www.amazon.com/Sheffield-1283-Multi-Cutter/dp/B072HJB9BC/ref=sr_1_3?crid=2I2CS5Z4QTKN6&keywords=razor+blade+cutter&qid=1649096209&sprefix=razor+blade+cutter%2Caps%2C1398&sr=8-3
Get something like this, much faster and safer than a normal razor knife