Okay, it works, but why the hell is "1<" item check duplicated so many times in so many pieces of code
if(itemsGUIExtender.guis.size() > 1) {
itemsGUIExtender.guis.clear();
}
if(itemsGUIExtender.guis.size() > 1) {
itemsGUIExtender.guis.clear();
}
if(itemsGUIExtender.guis.size() > 1) {
itemsGUIExtender.guis.clear();
}
if(itemsGUIExtender.guis.size() > 1) {
itemsGUIExtender.guis.clear();
}
its just example