Because you have to bend the tab to do that, or it'll get spilled.
It's not rocket fucking science to pour it carefully the normal way.
juice science
Racist
@salmonchild started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Because you have to bend the tab to do that, or it'll get spilled.
It's not rocket fucking science to pour it carefully the normal way.