diff --git a/pin/pin.go b/pin/pin.go
index f7a512e..5cbcda8 100644
--- a/pin/pin.go
+++ b/pin/pin.go
@@ -17,7 +17,7 @@ var (
 	Tool = mtool.T("pin").Func(Run).Desc(
 		"print all the possible PIN combinations made of custom characters",
 	).Usage(
-		"<tmpl_chars>",
+		"",
 	)
 )
 
@@ -68,13 +68,25 @@ func Run(flags *mtool.Flags) {
 		length int
 		rFlag bool
 	)
+	var (
+		chrsString string 
+		chrs []rune
+	)
+
+	flags.StringVar(
+		&chrsString,
+		"c",
+		"0123456789",
+		"character set for substitution",
+		"COMBO_CHARS",
+	)
 	flags.IntVar(
-		&lval, "min", 0,
+		&lval, "min", 1,
 		"min length of the output pins",
 	)
 	flags.BoolVar(
 		&Lflag, "m", false,
-		"set the '-min' flag value to 1 (overrides it)",
+		"set the '-min' flag value to 1 (overrides the '-min' it)",
 	)
 	flags.IntVar(
 		&length, "max", 0,
@@ -84,17 +96,17 @@ func Run(flags *mtool.Flags) {
 	flags.IntVar(&nVal, "rep", 1, "max repeats of the rune." )
 	flags.BoolVar(&rFlag, "R", false, "make the maximum repeat equal to the length of input chars" )
 
-	args := flags.Parse()
+	_ = flags.Parse()
 
-	if len(args) == 0 {
+	/*if len(args) == 0 {
 		flags.Usage()
 		os.Exit(1)
-	}
+	}*/
 
-	chrs = []rune(args[0])
+	chrs = []rune(chrsString)
 
 	if length == 0 {
-		length = len(chrs)
+		length = 4
 	}
 
 	if Lflag {
diff --git a/tmpl/tmpl.go b/tmpl/tmpl.go
index b9e76e4..6021136 100644
--- a/tmpl/tmpl.go
+++ b/tmpl/tmpl.go
@@ -8,27 +8,49 @@ import (
 	"surdeus.su/core/cli/mtool"
 )
 
-var(
+var (
 	delim rune
 	Tool = mtool.T("tmpl").Func(Run).Desc(
 		"substitute the inputted runes with the specified words",
 	).Usage(
-		"[n_utf8_chars] [n_strings]",
+		"[n_strings]",
 	)
 )
 
 
 func Run(flags *mtool.Flags) {
+
+	var (
+		chrsString string 
+		chrs []rune
+		skip bool
+	)
+
+	flags.StringVar(
+		&chrsString,
+		"c",
+		"0123456789",
+		"character set for substitution",
+		"COMBO_CHARS",
+	)
+
+	flags.BoolVar(
+		&skip,
+		"skip",
+		false,
+		"skip and do not substitute not fitting chars",
+	)
+	
 	delim = '\n'
 	args := flags.Parse()
 	
-	if len(args)<2 || len(args[0]) != len(args)-1 {
+	/*if len(args)<2 || len(args[0]) != len(args)-1 {
 		flags.Usage()
 		os.Exit(1)
-	}
+	}*/
 
-	chrs := []rune(args[0])
-	args = args[1:]
+	chrs = []rune(chrsString)
+	//args = args[1:]
 
 	tmpl := make(map[rune] string)
 	for i, s := range args {
@@ -44,7 +66,7 @@ func Run(flags *mtool.Flags) {
 		s = s[:len(s)-1]
 		for _, c := range s {
 			s, ok := tmpl[c]
-			if !ok {
+			if !skip && !ok {
 				s = string(c)
 			}
 			fmt.Printf("%s", s)