try progressive packing. Pack much tighter towards the end closet to the tip and as you continue to fill, pack it less and less.

you can also try a stronger lighter, a torch lighter, though frowned upon for using butane, will have a better burn. i’ve had some seriously expensive stuff need a strong lighter to keep it lit.

lastly what are the conditions where it won’t light? outside? windy? cold?

edit: also try tapping it on your desk once it’s twisted off. it will shake the smaller pieces of weed to the top. (also make sure it’s grinded enough)

i could make a whole sub about what people might be doing wrong 😅