You cannot make trim armor such as black gold, trom...
You can find them in the treasure trails if you are member...
This is one of the possible rewards from completing a Treasure Trail. There is not an 'Armour Trimming' skill in RuneScape or a program which will let someone add trim to an item, so if a player offers to trim armour for you or anyone else in game then you should use the Report Abuse system in-game so we can take action against them and stop this activity in future.
Or sell your full black and get more money to buy full black gold in world 1...
Runescape second rule(item scamming) from
www.runescape.com)
Can you trim armour?
No, no one can trim armour. Armour that is trimmed has been found in-game as trimmed armour. There is no way a player can trim e.g. Asking for Rune armour to make it trimmed...
Beware people who said they can trim...