uhhh i didnt do the cuttings myself, i had someone else do it for me so that i can c how cloning is done.
but the reason u cut the leaves is so that............ I don't want to leave to much for the plant to sustain while it waits for the new roots to form. Plants naturally lose water through the leaves, so it helps to remove the tips of the larger leaves
http://www.icmag.com/ic/showthread.php?t=46778. hope that explains it
and here is a totally random unrelated to the topic, pic of my drosera aliciae:
im happy about it cuz it took a month for it recover from rainstorms and being shippd across the country